The present invention relates to a Cashew nut shelling Machine or Apparatus, capable of shelling other forms of nuts and is electrically or mechanically driven and comprises of a nut picking device, an adjustable feeding mechanism, a pusher device to keep the nut in its correct position and feed it through the slitting and de-shelling stages, a split feeding grove, cutter blades that slits the sides of the shell without causing any damage to the nut inside, and contoured plates which slits and separates the nut from its outer husk.